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[ui/plots] removing plotitem if the function gets called again, setting autorang

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This commit is contained in:
wendtalexander 2024-10-10 14:22:03 +02:00
parent bbc8def460
commit fe3e142452
1 changed files with 14 additions and 6 deletions
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20
pyrelacs/ui/plots/continously.py
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@ -1,9 +1,8 @@
import time
import pyqtgraph as pg import pyqtgraph as pg
from IPython import embed from IPython import embed
import numpy as np import numpy as np
from pyqtgraph.Qt.QtCore import QTimer
from PyQt6.QtCore import QTimer
from pyrelacs.dataio.circbuffer import CircBuffer from pyrelacs.dataio.circbuffer import CircBuffer
from pyrelacs.util.logging import config_logging from pyrelacs.util.logging import config_logging
@ -17,11 +16,16 @@ class Continously:
def plot_daq(self, *args, **kwargs): def plot_daq(self, *args, **kwargs):
self.figure.setBackground("w") self.figure.setBackground("w")
self.daq_plot = self.figure.addPlot(row=0, col=0)
prev_plot = self.figure.getItem(row=0, col=0)
if prev_plot:
self.figure.removeItem(prev_plot)
self.continous_plot = self.figure.addPlot(row=0, col=0)
pen = pg.mkPen("red") pen = pg.mkPen("red")
self.time = np.zeros(self.buffer.size) self.time = np.zeros(self.buffer.size)
self.data = np.zeros(self.buffer.size) self.data = np.zeros(self.buffer.size)
self.line = self.daq_plot.plot( self.line = self.continous_plot.plot(
self.time, self.time,
self.data, self.data,
pen=pen, pen=pen,
@ -29,8 +33,8 @@ class Continously:
) )
# self.plot_index = 0 # self.plot_index = 0
self.CHUNK_PLOT = 1_000
self.timer = QTimer() self.timer = QTimer()
self.CHUNK_PLOT = 10_000
self.timer.setInterval(200) self.timer.setInterval(200)
self.timer.timeout.connect(self.update_plot) self.timer.timeout.connect(self.update_plot)
self.timer.start() self.timer.start()
@ -41,7 +45,8 @@ class Continously:
log.debug(self.buffer.totalcount()) log.debug(self.buffer.totalcount())
try: try:
times, items = self.buffer.read( times, items = self.buffer.read(
self.buffer.write_index() - self.CHUNK_PLOT, extend=self.CHUNK_PLOT self.buffer.write_index() - self.CHUNK_PLOT - 1_000,
extend=self.CHUNK_PLOT,
) )
except IndexError as e: except IndexError as e:
items = np.zeros(self.CHUNK_PLOT) items = np.zeros(self.CHUNK_PLOT)
@ -65,3 +70,6 @@ class Continously:
def stop_plotting(self): def stop_plotting(self):
self.timer.stop() self.timer.stop()
def refresh(self):
self.continous_plot.enableAutoRange()